Metabolite acetyl L carnitine participates in Bifidobacterium animalis F1 7 to ameliorate atherosclerotic inflammation by downregulating theTLR4 NF B pathway ScienceDirect Cleveland Clinic researchers have discovered a connection between elevated blood levels of TMAO (trimethylamine N oxide)a byproduct of gut bacteria digestion of nutrients found in red meat and other animal productsand a higher Comparison of short term and long term effects of peroral L carnitine intake: clinical implications of elevated TMAO levels in cardiovascular complications Frontiers Acetyl L carnitine ameliorates atherosclerosis in LDLR mice by modulating cholesterol metabolism through SREBP2 dependent cholesterol biosynthesis